Because sample means were being tested, the is used to calculate the z-score.
1 answer:
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First, you need to analize and understand the problem, then you must choose and strategy. There is a wide variety of strategies to solve a mathematical problem, in this case, you can use the following, which is based on the information given above:
1. You have that t<span>he sum of three consecutive even integers is </span>
<span>, therefore, you can given the variable </span>
<span> to the first integer, the second even integer is </span>
<span> and the third one is </span>
<span>.
2. Calculate x:
</span>
<span>
</span>
<span> </span>
<span>
</span>
<span>
</span>
<span>
Therefore, the answer is:</span>
1. You have that t<span>he sum of three consecutive even integers is </span>
2. Calculate x:
</span>
</span>
<span> </span>
</span>
</span>
Therefore, the answer is:</span>